Emerson Rosemount™ 3051 Differential Pressure Flow Transmitter

Product Benefits

  • Pre-assembled to primary elements for an installation-ready flow solution that ensures optimal performance.
  • Flow assemblies are leak-tested and calibrated to reduce leak points up to 70% and simplify installation.
  • 10-year installed stability with 150:1 rangedown produces reliable measurements and wide application flexibility.
  • A local operator interface offers easy-to-use menus & built-in configuration buttons for streamlined commissioning.
  • The loop integrity diagnostics detect electrical loop issues for reduced downtime.
  • SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations.

Technical Data

  • Warranty: Up to 5-year limited warranty.
  • Rangedown: Up to 150:1.
  • Measurement Range: Up to 2000 psi (137,89 bar) differential.
  • Output: Differential pressure, scaled variable.
  • Communication Protocol: 4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus, PROFIBUS®, 1-5 V Low Power HART®.
  • Process Wetted Material: 316L SST, Alloy C-276, Alloy 400, Tantalum, Gold-plated Alloy 400, Gold-plated 316L SST.
  • Diagnostics: Basic Diagnostics, Loop Integrity.
  • Certifications/Approvals: SIL 2/3 certified to IEC 61508 by an independent 3rd party, NSF, NACE, hazardous location, see full specs for a complete list of certifications.


  • Any Pressure Metering Application.

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